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Wonders of sponges
por
Surveys the classification of different types of sponges, their distinguishing characteristics, life functions, and usefulness to man. Briefly discusses the sponge-fishing industry and sponge collecting.
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Surveys the classification of different types of sponges, their distinguishing characteristics, life functions, and usefulness to man. Briefly discusses the sponge-fishing industry and sponge collecting.
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"Surveys the classification of different types of sponges, their distinguishing characteristics, life functions, and usefulness to man. Briefly discusses the sponge-fishing industry and sponge collecting."
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